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Given that DeltaH(" comb ") of cycloprop...

Given that `DeltaH_(" comb ")` of cyclopropane is `-4000 kJ mol^(-1)` . The amount of cyclopropane that needs to be burnt in oxygen for producing `2 xx 10^(5)` kJ of heat is

A

20 kg

B

2.1 kg

C

21 g

D

210 mg

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The correct Answer is:
B
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